--- /dev/null
+//
+// Standalone Assembler
+// Veryyy hacked together.
+//
+
+#define BH_DEFINE
+
+#include "vm.h"
+#include "assembler.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a))
+
+#define UNEXPECTED_TOKEN(t) do { \
+ fprintf(stderr, "Unexpected token '%s' on line %d.\n", t.text, t.line); \
+ exit(1); \
+ } while (0);
+
+#define EXPECT_TOKEN(t, ttype) do { \
+ if (t.type != ttype) { \
+ fprintf(stderr, "Expected token '%s', got '%s', on line %d.\n", token_names[ttype], token_names[t.type], t.line); \
+ exit(1); \
+ } \
+ } while (0);
+
+
+//
+// Things to output to the binary
+static bh_arr(ovm_instr_t) instrs;
+static bh_arr(ovm_func_t) funcs;
+static bh_arr(ovm_native_func_t) native_funcs;
+
+
+//
+// Things to fix during patching phase
+
+typedef struct patch_t {
+ u32 instr_offset;
+ u32 instr;
+ char *name;
+} patch_t;
+
+typedef struct active_label_t {
+ u32 instr_offset;
+ char *name;
+} active_label_t;
+
+static i32 maximum_value_number = 0;
+static bh_arr(patch_t) call_patches;
+static bh_arr(patch_t) label_patches;
+static bh_arr(active_label_t) active_labels;
+
+
+typedef enum operand_type_t {
+ op_none, op_reg, op_imm, op_sym
+} operand_type_t;
+
+struct instruction_mapping_t {
+ char *name;
+ u32 instr;
+
+ // At most 3 operands per instruction.
+ operand_type_t r_op;
+ operand_type_t a_op;
+ operand_type_t b_op;
+};
+
+static struct instruction_mapping_t instr_map[] = {
+ { "nop", OVMI_NOP },
+
+ { "imm.i8", OVM_TYPED_INSTR(OVMI_IMM, OVM_TYPE_I8) , op_reg, op_imm },
+ { "imm.i16", OVM_TYPED_INSTR(OVMI_IMM, OVM_TYPE_I16), op_reg, op_imm },
+ { "imm.i32", OVM_TYPED_INSTR(OVMI_IMM, OVM_TYPE_I32), op_reg, op_imm },
+ { "imm.i64", OVM_TYPED_INSTR(OVMI_IMM, OVM_TYPE_I64), op_reg, op_imm },
+ { "imm.f32", OVM_TYPED_INSTR(OVMI_IMM, OVM_TYPE_F32), op_reg, op_imm },
+ { "imm.f64", OVM_TYPED_INSTR(OVMI_IMM, OVM_TYPE_F64), op_reg, op_imm },
+
+ { "add.i8", OVM_TYPED_INSTR(OVMI_ADD, OVM_TYPE_I8) , op_reg, op_reg, op_reg },
+ { "add.i16", OVM_TYPED_INSTR(OVMI_ADD, OVM_TYPE_I16), op_reg, op_reg, op_reg },
+ { "add.i32", OVM_TYPED_INSTR(OVMI_ADD, OVM_TYPE_I32), op_reg, op_reg, op_reg },
+ { "add.i64", OVM_TYPED_INSTR(OVMI_ADD, OVM_TYPE_I64), op_reg, op_reg, op_reg },
+ { "add.f32", OVM_TYPED_INSTR(OVMI_ADD, OVM_TYPE_F32), op_reg, op_reg, op_reg },
+ { "add.f64", OVM_TYPED_INSTR(OVMI_ADD, OVM_TYPE_F64), op_reg, op_reg, op_reg },
+
+ { "sub.i8", OVM_TYPED_INSTR(OVMI_SUB, OVM_TYPE_I8) , op_reg, op_reg, op_reg },
+ { "sub.i16", OVM_TYPED_INSTR(OVMI_SUB, OVM_TYPE_I16), op_reg, op_reg, op_reg },
+ { "sub.i32", OVM_TYPED_INSTR(OVMI_SUB, OVM_TYPE_I32), op_reg, op_reg, op_reg },
+ { "sub.i64", OVM_TYPED_INSTR(OVMI_SUB, OVM_TYPE_I64), op_reg, op_reg, op_reg },
+ { "sub.f32", OVM_TYPED_INSTR(OVMI_SUB, OVM_TYPE_F32), op_reg, op_reg, op_reg },
+ { "sub.f64", OVM_TYPED_INSTR(OVMI_SUB, OVM_TYPE_F64), op_reg, op_reg, op_reg },
+
+ { "mul.i8", OVM_TYPED_INSTR(OVMI_MUL, OVM_TYPE_I8) , op_reg, op_reg, op_reg },
+ { "mul.i16", OVM_TYPED_INSTR(OVMI_MUL, OVM_TYPE_I16), op_reg, op_reg, op_reg },
+ { "mul.i32", OVM_TYPED_INSTR(OVMI_MUL, OVM_TYPE_I32), op_reg, op_reg, op_reg },
+ { "mul.i64", OVM_TYPED_INSTR(OVMI_MUL, OVM_TYPE_I64), op_reg, op_reg, op_reg },
+ { "mul.f32", OVM_TYPED_INSTR(OVMI_MUL, OVM_TYPE_F32), op_reg, op_reg, op_reg },
+ { "mul.f64", OVM_TYPED_INSTR(OVMI_MUL, OVM_TYPE_F64), op_reg, op_reg, op_reg },
+
+ { "div.i8", OVM_TYPED_INSTR(OVMI_DIV, OVM_TYPE_I8) , op_reg, op_reg, op_reg },
+ { "div.i16", OVM_TYPED_INSTR(OVMI_DIV, OVM_TYPE_I16), op_reg, op_reg, op_reg },
+ { "div.i32", OVM_TYPED_INSTR(OVMI_DIV, OVM_TYPE_I32), op_reg, op_reg, op_reg },
+ { "div.i64", OVM_TYPED_INSTR(OVMI_DIV, OVM_TYPE_I64), op_reg, op_reg, op_reg },
+ { "div.f32", OVM_TYPED_INSTR(OVMI_DIV, OVM_TYPE_F32), op_reg, op_reg, op_reg },
+ { "div.f64", OVM_TYPED_INSTR(OVMI_DIV, OVM_TYPE_F64), op_reg, op_reg, op_reg },
+
+ { "rem.i8", OVM_TYPED_INSTR(OVMI_REM, OVM_TYPE_I8) , op_reg, op_imm },
+ { "rem.i16", OVM_TYPED_INSTR(OVMI_REM, OVM_TYPE_I16), op_reg, op_imm },
+ { "rem.i32", OVM_TYPED_INSTR(OVMI_REM, OVM_TYPE_I32), op_reg, op_imm },
+ { "rem.i64", OVM_TYPED_INSTR(OVMI_REM, OVM_TYPE_I64), op_reg, op_imm },
+
+ // More operands to do...
+
+ { "param", OVMI_PARAM, op_none, op_reg },
+ { "br", OVMI_BR, op_none, op_sym },
+ { "bri", OVMI_BRI, op_none, op_reg },
+ { "br_nz", OVMI_BR_NZ, op_none, op_sym, op_reg },
+ { "bri_nz", OVMI_BRI_NZ, op_none, op_reg, op_reg },
+
+ { "return", OVMI_RETURN },
+ { "return.i8", OVMI_RETURN, op_none, op_reg },
+ { "return.i16", OVMI_RETURN, op_none, op_reg },
+ { "return.i32", OVMI_RETURN, op_none, op_reg },
+ { "return.i64", OVMI_RETURN, op_none, op_reg },
+ { "return.f32", OVMI_RETURN, op_none, op_reg },
+ { "return.f64", OVMI_RETURN, op_none, op_reg },
+
+ { "call", OVMI_CALL, op_none, op_sym },
+ { "call.i8", OVMI_CALL, op_reg, op_sym },
+ { "call.i16", OVMI_CALL, op_reg, op_sym },
+ { "call.i32", OVMI_CALL, op_reg, op_sym },
+ { "call.i64", OVMI_CALL, op_reg, op_sym },
+ { "call.f32", OVMI_CALL, op_reg, op_sym },
+ { "call.f64", OVMI_CALL, op_reg, op_sym },
+
+ { "calli", OVMI_CALLI, op_reg, op_reg },
+ { "calli.i8", OVMI_CALLI, op_reg, op_reg },
+ { "calli.i16", OVMI_CALLI, op_reg, op_reg },
+ { "calli.i32", OVMI_CALLI, op_reg, op_reg },
+ { "calli.i64", OVMI_CALLI, op_reg, op_reg },
+ { "calli.f32", OVMI_CALLI, op_reg, op_reg },
+ { "calli.f64", OVMI_CALLI, op_reg, op_reg },
+
+ { "native_call", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_NONE), op_none, op_sym },
+ { "native_call.i8", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I8), op_reg , op_sym },
+ { "native_call.i16", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I16), op_reg , op_sym },
+ { "native_call.i32", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I32), op_reg , op_sym },
+ { "native_call.i64", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I64), op_reg , op_sym },
+ { "native_call.f32", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_F32), op_reg , op_sym },
+ { "native_call.f64", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_F64), op_reg , op_sym },
+
+ { "native_calli", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_NONE), op_none, op_reg },
+ { "native_calli.i8", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I8), op_reg , op_reg },
+ { "native_calli.i16", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I16), op_reg , op_reg },
+ { "native_calli.i32", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I32), op_reg , op_reg },
+ { "native_calli.i64", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_I64), op_reg , op_reg },
+ { "native_calli.f32", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_F32), op_reg , op_reg },
+ { "native_calli.f64", OVM_TYPED_INSTR(OVMI_NATIVE_CALL, OVM_TYPE_F64), op_reg , op_reg },
+};
+
+void parse_register(i32 *dest) {
+ token_t token = asm_lexer_next_token();
+ EXPECT_TOKEN(token, token_register);
+
+ i32 reg = atoi(token.text + 1);
+ *dest = reg;
+
+ maximum_value_number = bh_max(reg, maximum_value_number);
+}
+
+void parse_immediate(ovm_instr_t *instr) {
+ token_t token = asm_lexer_next_token();
+ //
+ // Only integer immediates are supported right now.
+ EXPECT_TOKEN(token, token_integer);
+
+ if (OVM_INSTR_TYPE(*instr) == OVM_TYPE_I32) instr->i = atoi(token.text);
+ if (OVM_INSTR_TYPE(*instr) == OVM_TYPE_I64) instr->l = atol(token.text);
+}
+
+void parse_symbol(u32 instr_offset, ovm_instr_t *instr) {
+ token_t token = asm_lexer_next_token();
+ EXPECT_TOKEN(token, token_symbol);
+
+ patch_t patch;
+ patch.instr_offset = instr_offset;
+ patch.instr = OVM_INSTR_INSTR(*instr);
+ patch.name = token.text;
+
+ switch (patch.instr) {
+ case OVMI_BR:
+ case OVMI_BR_NZ:
+ bh_arr_push(label_patches, patch);
+ break;
+
+ case OVMI_CALL:
+ case OVMI_NATIVE_CALL:
+ bh_arr_push(call_patches, patch);
+ break;
+
+ default: assert(("BAD CASE", 0));
+ }
+}
+
+void parse_instruction() {
+ token_t token = asm_lexer_next_token();
+ EXPECT_TOKEN(token, token_symbol);
+
+ struct instruction_mapping_t map = { NULL };
+ fori (i, 0, (i32) ARRAY_SIZE(instr_map)) {
+ if (!strcmp(instr_map[i].name, token.text)) {
+ map = instr_map[i];
+ break;
+ }
+ }
+
+ if (map.name == NULL) {
+ fprintf(stderr, "Invalid instruction, %s.\n", token.text);
+ exit(1);
+ }
+
+ ovm_instr_t instr = {0};
+ instr.full_instr = map.instr;
+
+ token = asm_lexer_peek_token();
+
+#define PARSE_OP(reg) \
+ \
+ switch (map. reg ## _op) { \
+ case op_none: break; \
+ \
+ case op_reg: \
+ parse_register(&instr.reg); \
+ token = asm_lexer_peek_token(); \
+ break; \
+ \
+ case op_imm: \
+ parse_immediate(&instr); \
+ token = asm_lexer_peek_token(); \
+ break; \
+ \
+ case op_sym: \
+ parse_symbol(bh_arr_length(instrs), &instr); \
+ token = asm_lexer_peek_token(); \
+ break; \
+ }
+
+ PARSE_OP(r)
+ if (token.type == token_comma) {
+ asm_lexer_next_token();
+ token = asm_lexer_peek_token();
+ }
+
+ PARSE_OP(a)
+ if (token.type == token_comma) {
+ asm_lexer_next_token();
+ token = asm_lexer_peek_token();
+ }
+
+ PARSE_OP(b)
+
+ bh_arr_push(instrs, instr);
+}
+
+void parse_label() {
+ token_t token = asm_lexer_next_token();
+ EXPECT_TOKEN(token, token_label);
+
+ active_label_t label;
+ label.instr_offset = bh_arr_length(instrs);
+ label.name = token.text + 1;
+ bh_arr_push(active_labels, label);
+}
+
+void finalize_current_function() {
+ //
+ // For the previous function, compute the maximum value number used
+ // and store that as the value number count.
+ ovm_func_t *func = &bh_arr_last(funcs);
+ func->value_number_count = maximum_value_number;
+
+ bh_arr_each(patch_t, patch, label_patches) {
+ ovm_instr_t *instr = &instrs[patch->instr_offset];
+
+ i32 label_location = -1;
+ bh_arr_each(active_label_t, label, active_labels) {
+ if (!strcmp(label->name, patch->name)) {
+ label_location = label->instr_offset;
+ break;
+ }
+ }
+
+ assert(label_location != -1);
+ assert(instr->a == 0);
+ instr->a = label_location - patch->instr_offset - 1; // This might be off by one
+ }
+
+ maximum_value_number = 0;
+ bh_arr_clear(active_labels);
+ bh_arr_clear(label_patches);
+}
+
+void parse_command() {
+ token_t token = asm_lexer_next_token();
+ assert(token.type == token_command);
+
+ if (!strcmp(token.text, ".func")) {
+ if (bh_arr_length(funcs) > 0) {
+ finalize_current_function();
+ }
+
+ token_t name_token = asm_lexer_next_token();
+ EXPECT_TOKEN(name_token, token_symbol);
+
+ token_t param_token = asm_lexer_next_token();
+ EXPECT_TOKEN(param_token, token_integer);
+
+ ovm_func_t f;
+ f.start_instr = bh_arr_length(instrs);
+ f.name = name_token.text;
+ f.param_count = atoi(param_token.text);
+ bh_arr_push(funcs, f);
+ return;
+ }
+
+ if (!strcmp(token.text, ".native_func")) {
+ token_t name_token = asm_lexer_next_token();
+ EXPECT_TOKEN(name_token, token_symbol);
+
+ token_t param_token = asm_lexer_next_token();
+ EXPECT_TOKEN(param_token, token_integer);
+
+ ovm_native_func_t f;
+ f.name = name_token.text;
+ f.param_count = atoi(param_token.text);
+ bh_arr_push(native_funcs, f);
+ return;
+ }
+
+ UNEXPECTED_TOKEN(token);
+}
+
+
+void parse(char *input_file) {
+ bh_file file;
+ bh_file_error error = bh_file_open(&file, input_file);
+ if (error != BH_FILE_ERROR_NONE) {
+ fprintf(stderr, "Failed to open '%s' for reading.\n", input_file);
+ }
+
+ bh_file_contents contents = bh_file_read_contents(bh_heap_allocator(), &file);
+
+ asm_lexer_input(contents.data, contents.length);
+ token_t curr_token = { token_newline };
+ while (curr_token.type != token_none) {
+ curr_token = asm_lexer_peek_token();
+ // printf("%d: %s (%s)\n", curr_token.line, token_names[curr_token.type], curr_token.text);
+
+ switch (curr_token.type) {
+ case token_none: break;
+
+ case token_newline: asm_lexer_next_token(); break;
+ case token_command: parse_command(); break;
+ case token_symbol: parse_instruction(); break;
+ case token_label: parse_label(); break;
+
+ default: UNEXPECTED_TOKEN(curr_token);
+ }
+ }
+
+ finalize_current_function();
+ bh_file_close(&file);
+}
+
+void patch_calls() {
+ bh_arr_each(patch_t, patch, call_patches) {
+ ovm_instr_t *instr = &instrs[patch->instr_offset];
+
+ i32 func_idx = -1;
+ if (patch->instr == OVMI_CALL) {
+ bh_arr_each(ovm_func_t, func, funcs) {
+ if (!strcmp(func->name, patch->name)) {
+ func_idx = func - funcs;
+ break;
+ }
+ }
+ } else if (patch->instr == OVMI_NATIVE_CALL) {
+ bh_arr_each(ovm_native_func_t, func, native_funcs) {
+ if (!strcmp(func->name, patch->name)) {
+ func_idx = func - native_funcs;
+ break;
+ }
+ }
+ }
+
+ assert(func_idx != -1);
+ assert(instr->a == 0);
+ instr->a = func_idx;
+ }
+
+}
+
+void write_file(char *output_file) {
+ ovm_raw_print_instructions(bh_arr_length(instrs), instrs);
+
+ bh_file file;
+ bh_file_error error = bh_file_open_mode(&file, BH_FILE_MODE_WRITE, output_file);
+ if (error != BH_FILE_ERROR_NONE) {
+ fprintf(stderr, "Failed to open '%s' for writing.\n", output_file);
+ exit(1);
+ }
+
+ bh_file_write(&file, "OVMI", 4);
+ bh_file_write(&file, "\x00\x00\x00\x01", 4);
+
+ i32 instr_count = bh_arr_length(instrs);
+ bh_file_write(&file, &instr_count, 4); // Endian-dependent
+ bh_file_write(&file, instrs, sizeof(ovm_instr_t) * instr_count);
+
+ i32 data_count = 0;
+ bh_file_write(&file, &data_count, 4); // Endian-dependent
+
+ i32 func_count = bh_arr_length(funcs);
+ bh_file_write(&file, &func_count, 4); // Endian-dependent
+ bh_arr_each(ovm_func_t, func, funcs) {
+ bh_file_write(&file, &func->start_instr, 4); // Endian-dependent
+ bh_file_write(&file, &func->param_count, 4); // Endian-dependent
+ bh_file_write(&file, &func->value_number_count, 4); // Endian-dependent
+ }
+
+ i32 native_func_count = bh_arr_length(native_funcs);
+ bh_file_write(&file, &native_func_count, 4); // Endian-dependent
+ bh_arr_each(ovm_native_func_t, func, native_funcs) {
+ bh_file_write(&file, &func->param_count, 4); // Endian-dependent
+
+ i32 name_length = strlen(func->name) + 1; // Including null-terminator
+ bh_file_write(&file, &name_length, 4); // Endian-dependent
+ bh_file_write(&file, func->name, name_length);
+ }
+
+ bh_file_close(&file);
+}
+
+int main(int argc, char *argv[]) {
+ if (argc < 3) {
+ fprintf(stderr, "Expected 2 arguments: input file and output file.\n");
+ return 1;
+ }
+
+ char *input_file = argv[1];
+ char *output_file = argv[2];
+
+ parse(input_file);
+ patch_calls();
+ write_file(output_file);
+}
+
+
+
+#define T(t) [t] = #t
+char *token_names[] = {
+ T(token_none),
+ T(token_newline),
+ T(token_integer),
+ T(token_command),
+ T(token_symbol),
+ T(token_register),
+ T(token_label),
+ T(token_comma),
+};
+#undef T
--- /dev/null
+#line 2 "src/tools/lex.yy.c"
+
+#line 4 "src/tools/lex.yy.c"
+
+#define YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 4
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t;
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX (4294967295U)
+#endif
+
+#ifndef SIZE_MAX
+#define SIZE_MAX (~(size_t)0)
+#endif
+
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
+
+/* begin standard C++ headers. */
+
+/* TODO: this is always defined, so inline it */
+#define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
+#else
+#define yynoreturn
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an
+ * integer in range [0..255] for use as an array index.
+ */
+#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
+
+/* Enter a start condition. This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state. The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart( yyin )
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+extern int yyleng;
+
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+ /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
+ * access to the local variable yy_act. Since yyless() is a macro, it would break
+ * existing scanners that call yyless() from OUTSIDE yylex.
+ * One obvious solution it to make yy_act a global. I tried that, and saw
+ * a 5% performance hit in a non-yylineno scanner, because yy_act is
+ * normally declared as a register variable-- so it is not worth it.
+ */
+ #define YY_LESS_LINENO(n) \
+ do { \
+ int yyl;\
+ for ( yyl = n; yyl < yyleng; ++yyl )\
+ if ( yytext[yyl] == '\n' )\
+ --yylineno;\
+ }while(0)
+ #define YY_LINENO_REWIND_TO(dst) \
+ do {\
+ const char *p;\
+ for ( p = yy_cp-1; p >= (dst); --p)\
+ if ( *p == '\n' )\
+ --yylineno;\
+ }while(0)
+
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ *yy_cp = (yy_hold_char); \
+ YY_RESTORE_YY_MORE_OFFSET \
+ (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+ YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+ } \
+ while ( 0 )
+#define unput(c) yyunput( c, (yytext_ptr) )
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+ {
+ FILE *yy_input_file;
+
+ char *yy_ch_buf; /* input buffer */
+ char *yy_buf_pos; /* current position in input buffer */
+
+ /* Size of input buffer in bytes, not including room for EOB
+ * characters.
+ */
+ int yy_buf_size;
+
+ /* Number of characters read into yy_ch_buf, not including EOB
+ * characters.
+ */
+ int yy_n_chars;
+
+ /* Whether we "own" the buffer - i.e., we know we created it,
+ * and can realloc() it to grow it, and should free() it to
+ * delete it.
+ */
+ int yy_is_our_buffer;
+
+ /* Whether this is an "interactive" input source; if so, and
+ * if we're using stdio for input, then we want to use getc()
+ * instead of fread(), to make sure we stop fetching input after
+ * each newline.
+ */
+ int yy_is_interactive;
+
+ /* Whether we're considered to be at the beginning of a line.
+ * If so, '^' rules will be active on the next match, otherwise
+ * not.
+ */
+ int yy_at_bol;
+
+ int yy_bs_lineno; /**< The line count. */
+ int yy_bs_column; /**< The column count. */
+
+ /* Whether to try to fill the input buffer when we reach the
+ * end of it.
+ */
+ int yy_fill_buffer;
+
+ int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+ /* When an EOF's been seen but there's still some text to process
+ * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+ * shouldn't try reading from the input source any more. We might
+ * still have a bunch of tokens to match, though, because of
+ * possible backing-up.
+ *
+ * When we actually see the EOF, we change the status to "new"
+ * (via yyrestart()), so that the user can continue scanning by
+ * just pointing yyin at a new input file.
+ */
+#define YY_BUFFER_EOF_PENDING 2
+
+ };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+ ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+ : NULL)
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+static int yy_n_chars; /* number of characters read into yy_ch_buf */
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = NULL;
+static int yy_init = 0; /* whether we need to initialize */
+static int yy_start = 0; /* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin. A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart ( FILE *input_file );
+void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer );
+YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size );
+void yy_delete_buffer ( YY_BUFFER_STATE b );
+void yy_flush_buffer ( YY_BUFFER_STATE b );
+void yypush_buffer_state ( YY_BUFFER_STATE new_buffer );
+void yypop_buffer_state ( void );
+
+static void yyensure_buffer_stack ( void );
+static void yy_load_buffer_state ( void );
+static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file );
+#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size );
+YY_BUFFER_STATE yy_scan_string ( const char *yy_str );
+YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len );
+
+void *yyalloc ( yy_size_t );
+void *yyrealloc ( void *, yy_size_t );
+void yyfree ( void * );
+
+#define yy_new_buffer yy_create_buffer
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ yyensure_buffer_stack (); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer( yyin, YY_BUF_SIZE ); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+ }
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){\
+ yyensure_buffer_stack (); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer( yyin, YY_BUF_SIZE ); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+ }
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define yywrap() (/*CONSTCOND*/1)
+#define YY_SKIP_YYWRAP
+typedef flex_uint8_t YY_CHAR;
+
+FILE *yyin = NULL, *yyout = NULL;
+
+typedef int yy_state_type;
+
+extern int yylineno;
+int yylineno = 1;
+
+extern char *yytext;
+#ifdef yytext_ptr
+#undef yytext_ptr
+#endif
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state ( void );
+static yy_state_type yy_try_NUL_trans ( yy_state_type current_state );
+static int yy_get_next_buffer ( void );
+static void yynoreturn yy_fatal_error ( const char* msg );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ (yytext_ptr) = yy_bp; \
+ yyleng = (int) (yy_cp - yy_bp); \
+ (yy_hold_char) = *yy_cp; \
+ *yy_cp = '\0'; \
+ (yy_c_buf_p) = yy_cp;
+#define YY_NUM_RULES 9
+#define YY_END_OF_BUFFER 10
+/* This struct is not used in this scanner,
+ but its presence is necessary. */
+struct yy_trans_info
+ {
+ flex_int32_t yy_verify;
+ flex_int32_t yy_nxt;
+ };
+static const flex_int16_t yy_accept[20] =
+ { 0,
+ 0, 0, 10, 8, 1, 8, 7, 8, 5, 8,
+ 3, 4, 2, 5, 6, 3, 2, 6, 0
+ } ;
+
+static const YY_CHAR yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 3, 1, 1, 1,
+ 1, 1, 1, 4, 1, 5, 1, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 7, 1, 1,
+ 1, 1, 1, 1, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 1, 1, 1, 1, 9, 1, 8, 8, 8, 8,
+
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+ } ;
+
+static const YY_CHAR yy_meta[10] =
+ { 0,
+ 1, 1, 1, 1, 2, 2, 1, 2, 2
+ } ;
+
+static const flex_int16_t yy_base[23] =
+ { 0,
+ 0, 0, 19, 20, 20, 12, 20, 9, 10, 7,
+ 0, 8, 0, 7, 0, 0, 0, 0, 20, 10,
+ 9, 8
+ } ;
+
+static const flex_int16_t yy_def[23] =
+ { 0,
+ 19, 1, 19, 19, 19, 19, 19, 19, 19, 19,
+ 20, 19, 21, 19, 22, 20, 21, 22, 0, 19,
+ 19, 19
+ } ;
+
+static const flex_int16_t yy_nxt[30] =
+ { 0,
+ 4, 5, 6, 7, 8, 9, 10, 11, 4, 18,
+ 17, 16, 14, 12, 15, 14, 13, 12, 19, 3,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19
+ } ;
+
+static const flex_int16_t yy_chk[30] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 22,
+ 21, 20, 14, 12, 10, 9, 8, 6, 3, 19,
+ 19, 19, 19, 19, 19, 19, 19, 19, 19
+ } ;
+
+/* Table of booleans, true if rule could match eol. */
+static const flex_int32_t yy_rule_can_match_eol[10] =
+ { 0,
+1, 0, 0, 0, 0, 0, 0, 0, 0, };
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int yy_flex_debug;
+int yy_flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "src/tools/asm.l"
+#line 3 "src/tools/asm.l"
+ #include "bh.h"
+ #include "assembler.h"
+
+ static char *file_data;
+ static int bytes_remaining;
+
+ static token_t peeked_token;
+
+ token_t asm_lexer_next_token();
+ token_t asm_lexer_peek_token();
+ void asm_lexer_input(char *data, int size);
+
+#define YY_DECL token_t __asm_lexer_next_token()
+#define yyterminate() return ((token_t) { .type = token_none })
+
+#define YY_NO_INPUT
+#define YY_NO_UNPUT
+
+#define YY_INPUT(buf, result, maxsize) { \
+ if (bytes_remaining == 0) { \
+ result = YY_NULL; \
+ } else { \
+ int count = bh_min(maxsize, bytes_remaining); \
+ memcpy(buf, file_data, count); \
+ bytes_remaining -= count; \
+ file_data += count; \
+ result = count; \
+ } \
+}
+
+
+#define PUSH_TOKEN(t) return ((token_t) { .type = t, .text = bh_strdup(bh_heap_allocator(), yytext), .line = yylineno });
+
+#line 512 "src/tools/lex.yy.c"
+#line 513 "src/tools/lex.yy.c"
+
+#define INITIAL 0
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals ( void );
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy ( void );
+
+int yyget_debug ( void );
+
+void yyset_debug ( int debug_flag );
+
+YY_EXTRA_TYPE yyget_extra ( void );
+
+void yyset_extra ( YY_EXTRA_TYPE user_defined );
+
+FILE *yyget_in ( void );
+
+void yyset_in ( FILE * _in_str );
+
+FILE *yyget_out ( void );
+
+void yyset_out ( FILE * _out_str );
+
+ int yyget_leng ( void );
+
+char *yyget_text ( void );
+
+int yyget_lineno ( void );
+
+void yyset_lineno ( int _line_number );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap ( void );
+#else
+extern int yywrap ( void );
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+
+ static void yyunput ( int c, char *buf_ptr );
+
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy ( char *, const char *, int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen ( const char * );
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+static int yyinput ( void );
+#else
+static int input ( void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+ { \
+ int c = '*'; \
+ int n; \
+ for ( n = 0; n < max_size && \
+ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+ buf[n] = (char) c; \
+ if ( c == '\n' ) \
+ buf[n++] = (char) c; \
+ if ( c == EOF && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ result = n; \
+ } \
+ else \
+ { \
+ errno=0; \
+ while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
+ { \
+ if( errno != EINTR) \
+ { \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ break; \
+ } \
+ errno=0; \
+ clearerr(yyin); \
+ } \
+ }\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int yylex (void);
+
+#define YY_DECL int yylex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK /*LINTED*/break;
+#endif
+
+#define YY_RULE_SETUP \
+ YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+ yy_state_type yy_current_state;
+ char *yy_cp, *yy_bp;
+ int yy_act;
+
+ if ( !(yy_init) )
+ {
+ (yy_init) = 1;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! (yy_start) )
+ (yy_start) = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! YY_CURRENT_BUFFER ) {
+ yyensure_buffer_stack ();
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer( yyin, YY_BUF_SIZE );
+ }
+
+ yy_load_buffer_state( );
+ }
+
+ {
+#line 43 "src/tools/asm.l"
+
+
+#line 733 "src/tools/lex.yy.c"
+
+ while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
+ {
+ yy_cp = (yy_c_buf_p);
+
+ /* Support of yytext. */
+ *yy_cp = (yy_hold_char);
+
+ /* yy_bp points to the position in yy_ch_buf of the start of
+ * the current run.
+ */
+ yy_bp = yy_cp;
+
+ yy_current_state = (yy_start);
+yy_match:
+ do
+ {
+ YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
+ if ( yy_accept[yy_current_state] )
+ {
+ (yy_last_accepting_state) = yy_current_state;
+ (yy_last_accepting_cpos) = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 20 )
+ yy_c = yy_meta[yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
+ ++yy_cp;
+ }
+ while ( yy_base[yy_current_state] != 20 );
+
+yy_find_action:
+ yy_act = yy_accept[yy_current_state];
+ if ( yy_act == 0 )
+ { /* have to back up */
+ yy_cp = (yy_last_accepting_cpos);
+ yy_current_state = (yy_last_accepting_state);
+ yy_act = yy_accept[yy_current_state];
+ }
+
+ YY_DO_BEFORE_ACTION;
+
+ if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
+ {
+ int yyl;
+ for ( yyl = 0; yyl < yyleng; ++yyl )
+ if ( yytext[yyl] == '\n' )
+
+ yylineno++;
+;
+ }
+
+do_action: /* This label is used only to access EOF actions. */
+
+ switch ( yy_act )
+ { /* beginning of action switch */
+ case 0: /* must back up */
+ /* undo the effects of YY_DO_BEFORE_ACTION */
+ *yy_cp = (yy_hold_char);
+ yy_cp = (yy_last_accepting_cpos);
+ yy_current_state = (yy_last_accepting_state);
+ goto yy_find_action;
+
+case 1:
+/* rule 1 can match eol */
+YY_RULE_SETUP
+#line 45 "src/tools/asm.l"
+PUSH_TOKEN(token_newline)
+ YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 46 "src/tools/asm.l"
+PUSH_TOKEN(token_command)
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 47 "src/tools/asm.l"
+PUSH_TOKEN(token_symbol)
+ YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 48 "src/tools/asm.l"
+PUSH_TOKEN(token_register)
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 49 "src/tools/asm.l"
+PUSH_TOKEN(token_integer)
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 50 "src/tools/asm.l"
+PUSH_TOKEN(token_label)
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 51 "src/tools/asm.l"
+PUSH_TOKEN(token_comma)
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 53 "src/tools/asm.l"
+
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 55 "src/tools/asm.l"
+ECHO;
+ YY_BREAK
+#line 846 "src/tools/lex.yy.c"
+case YY_STATE_EOF(INITIAL):
+ yyterminate();
+
+ case YY_END_OF_BUFFER:
+ {
+ /* Amount of text matched not including the EOB char. */
+ int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+ /* Undo the effects of YY_DO_BEFORE_ACTION. */
+ *yy_cp = (yy_hold_char);
+ YY_RESTORE_YY_MORE_OFFSET
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+ {
+ /* We're scanning a new file or input source. It's
+ * possible that this happened because the user
+ * just pointed yyin at a new source and called
+ * yylex(). If so, then we have to assure
+ * consistency between YY_CURRENT_BUFFER and our
+ * globals. Here is the right place to do so, because
+ * this is the first action (other than possibly a
+ * back-up) that will match for the new input source.
+ */
+ (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+ }
+
+ /* Note that here we test for yy_c_buf_p "<=" to the position
+ * of the first EOB in the buffer, since yy_c_buf_p will
+ * already have been incremented past the NUL character
+ * (since all states make transitions on EOB to the
+ * end-of-buffer state). Contrast this with the test
+ * in input().
+ */
+ if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+ { /* This was really a NUL. */
+ yy_state_type yy_next_state;
+
+ (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( );
+
+ /* Okay, we're now positioned to make the NUL
+ * transition. We couldn't have
+ * yy_get_previous_state() go ahead and do it
+ * for us because it doesn't know how to deal
+ * with the possibility of jamming (and we don't
+ * want to build jamming into it because then it
+ * will run more slowly).
+ */
+
+ yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+ yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+ if ( yy_next_state )
+ {
+ /* Consume the NUL. */
+ yy_cp = ++(yy_c_buf_p);
+ yy_current_state = yy_next_state;
+ goto yy_match;
+ }
+
+ else
+ {
+ yy_cp = (yy_c_buf_p);
+ goto yy_find_action;
+ }
+ }
+
+ else switch ( yy_get_next_buffer( ) )
+ {
+ case EOB_ACT_END_OF_FILE:
+ {
+ (yy_did_buffer_switch_on_eof) = 0;
+
+ if ( yywrap( ) )
+ {
+ /* Note: because we've taken care in
+ * yy_get_next_buffer() to have set up
+ * yytext, we can now set up
+ * yy_c_buf_p so that if some total
+ * hoser (like flex itself) wants to
+ * call the scanner after we return the
+ * YY_NULL, it'll still work - another
+ * YY_NULL will get returned.
+ */
+ (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+ yy_act = YY_STATE_EOF(YY_START);
+ goto do_action;
+ }
+
+ else
+ {
+ if ( ! (yy_did_buffer_switch_on_eof) )
+ YY_NEW_FILE;
+ }
+ break;
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ (yy_c_buf_p) =
+ (yytext_ptr) + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( );
+
+ yy_cp = (yy_c_buf_p);
+ yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+ goto yy_match;
+
+ case EOB_ACT_LAST_MATCH:
+ (yy_c_buf_p) =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+ yy_current_state = yy_get_previous_state( );
+
+ yy_cp = (yy_c_buf_p);
+ yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+ goto yy_find_action;
+ }
+ break;
+ }
+
+ default:
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--no action found" );
+ } /* end of action switch */
+ } /* end of scanning one token */
+ } /* end of user's declarations */
+} /* end of yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ * EOB_ACT_LAST_MATCH -
+ * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ * EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+ char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ char *source = (yytext_ptr);
+ int number_to_move, i;
+ int ret_val;
+
+ if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--end of buffer missed" );
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+ { /* Don't try to fill the buffer, so this is an EOF. */
+ if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+ {
+ /* We matched a single character, the EOB, so
+ * treat this as a final EOF.
+ */
+ return EOB_ACT_END_OF_FILE;
+ }
+
+ else
+ {
+ /* We matched some text prior to the EOB, first
+ * process it.
+ */
+ return EOB_ACT_LAST_MATCH;
+ }
+ }
+
+ /* Try to read more data. */
+
+ /* First move last chars to start of buffer. */
+ number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
+
+ for ( i = 0; i < number_to_move; ++i )
+ *(dest++) = *(source++);
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+ /* don't do the read, it's not guaranteed to return an EOF,
+ * just force an EOF
+ */
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+ else
+ {
+ int num_to_read =
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+ while ( num_to_read <= 0 )
+ { /* Not enough room in the buffer - grow it. */
+
+ /* just a shorter name for the current buffer */
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
+
+ int yy_c_buf_p_offset =
+ (int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+ if ( b->yy_is_our_buffer )
+ {
+ int new_size = b->yy_buf_size * 2;
+
+ if ( new_size <= 0 )
+ b->yy_buf_size += b->yy_buf_size / 8;
+ else
+ b->yy_buf_size *= 2;
+
+ b->yy_ch_buf = (char *)
+ /* Include room in for 2 EOB chars. */
+ yyrealloc( (void *) b->yy_ch_buf,
+ (yy_size_t) (b->yy_buf_size + 2) );
+ }
+ else
+ /* Can't grow it, we don't own it. */
+ b->yy_ch_buf = NULL;
+
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR(
+ "fatal error - scanner input buffer overflow" );
+
+ (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+ num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+ number_to_move - 1;
+
+ }
+
+ if ( num_to_read > YY_READ_BUF_SIZE )
+ num_to_read = YY_READ_BUF_SIZE;
+
+ /* Read in more data. */
+ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+ (yy_n_chars), num_to_read );
+
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+ }
+
+ if ( (yy_n_chars) == 0 )
+ {
+ if ( number_to_move == YY_MORE_ADJ )
+ {
+ ret_val = EOB_ACT_END_OF_FILE;
+ yyrestart( yyin );
+ }
+
+ else
+ {
+ ret_val = EOB_ACT_LAST_MATCH;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+ YY_BUFFER_EOF_PENDING;
+ }
+ }
+
+ else
+ ret_val = EOB_ACT_CONTINUE_SCAN;
+
+ if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+ /* Extend the array by 50%, plus the number we really need. */
+ int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
+ (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size );
+ if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+ /* "- 2" to take care of EOB's */
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
+ }
+
+ (yy_n_chars) += number_to_move;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+ (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+ return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+ static yy_state_type yy_get_previous_state (void)
+{
+ yy_state_type yy_current_state;
+ char *yy_cp;
+
+ yy_current_state = (yy_start);
+
+ for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+ {
+ YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+ if ( yy_accept[yy_current_state] )
+ {
+ (yy_last_accepting_state) = yy_current_state;
+ (yy_last_accepting_cpos) = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 20 )
+ yy_c = yy_meta[yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
+ }
+
+ return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ * next_state = yy_try_NUL_trans( current_state );
+ */
+ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
+{
+ int yy_is_jam;
+ char *yy_cp = (yy_c_buf_p);
+
+ YY_CHAR yy_c = 1;
+ if ( yy_accept[yy_current_state] )
+ {
+ (yy_last_accepting_state) = yy_current_state;
+ (yy_last_accepting_cpos) = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 20 )
+ yy_c = yy_meta[yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
+ yy_is_jam = (yy_current_state == 19);
+
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_UNPUT
+
+ static void yyunput (int c, char * yy_bp )
+{
+ char *yy_cp;
+
+ yy_cp = (yy_c_buf_p);
+
+ /* undo effects of setting up yytext */
+ *yy_cp = (yy_hold_char);
+
+ if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+ { /* need to shift things up to make room */
+ /* +2 for EOB chars. */
+ int number_to_move = (yy_n_chars) + 2;
+ char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+ char *source =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
+
+ while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ *--dest = *--source;
+
+ yy_cp += (int) (dest - source);
+ yy_bp += (int) (dest - source);
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+ (yy_n_chars) = (int) YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+
+ if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+ YY_FATAL_ERROR( "flex scanner push-back overflow" );
+ }
+
+ *--yy_cp = (char) c;
+
+ if ( c == '\n' ){
+ --yylineno;
+ }
+
+ (yytext_ptr) = yy_bp;
+ (yy_hold_char) = *yy_cp;
+ (yy_c_buf_p) = yy_cp;
+}
+
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+ static int yyinput (void)
+#else
+ static int input (void)
+#endif
+
+{
+ int c;
+
+ *(yy_c_buf_p) = (yy_hold_char);
+
+ if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+ {
+ /* yy_c_buf_p now points to the character we want to return.
+ * If this occurs *before* the EOB characters, then it's a
+ * valid NUL; if not, then we've hit the end of the buffer.
+ */
+ if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+ /* This was really a NUL. */
+ *(yy_c_buf_p) = '\0';
+
+ else
+ { /* need more input */
+ int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
+ ++(yy_c_buf_p);
+
+ switch ( yy_get_next_buffer( ) )
+ {
+ case EOB_ACT_LAST_MATCH:
+ /* This happens because yy_g_n_b()
+ * sees that we've accumulated a
+ * token and flags that we need to
+ * try matching the token before
+ * proceeding. But for input(),
+ * there's no matching to consider.
+ * So convert the EOB_ACT_LAST_MATCH
+ * to EOB_ACT_END_OF_FILE.
+ */
+
+ /* Reset buffer status. */
+ yyrestart( yyin );
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( yywrap( ) )
+ return 0;
+
+ if ( ! (yy_did_buffer_switch_on_eof) )
+ YY_NEW_FILE;
+#ifdef __cplusplus
+ return yyinput();
+#else
+ return input();
+#endif
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ (yy_c_buf_p) = (yytext_ptr) + offset;
+ break;
+ }
+ }
+ }
+
+ c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
+ *(yy_c_buf_p) = '\0'; /* preserve yytext */
+ (yy_hold_char) = *++(yy_c_buf_p);
+
+ if ( c == '\n' )
+
+ yylineno++;
+;
+
+ return c;
+}
+#endif /* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ *
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+ void yyrestart (FILE * input_file )
+{
+
+ if ( ! YY_CURRENT_BUFFER ){
+ yyensure_buffer_stack ();
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer( yyin, YY_BUF_SIZE );
+ }
+
+ yy_init_buffer( YY_CURRENT_BUFFER, input_file );
+ yy_load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ *
+ */
+ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
+{
+
+ /* TODO. We should be able to replace this entire function body
+ * with
+ * yypop_buffer_state();
+ * yypush_buffer_state(new_buffer);
+ */
+ yyensure_buffer_stack ();
+ if ( YY_CURRENT_BUFFER == new_buffer )
+ return;
+
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *(yy_c_buf_p) = (yy_hold_char);
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+ }
+
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+ yy_load_buffer_state( );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (yywrap()) processing, but the only time this flag
+ * is looked at is after yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ (yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void yy_load_buffer_state (void)
+{
+ (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+ (yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ *
+ * @return the allocated buffer state.
+ */
+ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_buf_size = size;
+
+ /* yy_ch_buf has to be 2 characters longer than the size given because
+ * we need to put in 2 end-of-buffer characters.
+ */
+ b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ yy_init_buffer( b, file );
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ *
+ */
+ void yy_delete_buffer (YY_BUFFER_STATE b )
+{
+
+ if ( ! b )
+ return;
+
+ if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+ if ( b->yy_is_our_buffer )
+ yyfree( (void *) b->yy_ch_buf );
+
+ yyfree( (void *) b );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
+
+{
+ int oerrno = errno;
+
+ yy_flush_buffer( b );
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then yy_init_buffer was _probably_
+ * called from yyrestart() or through yy_get_next_buffer.
+ * In that case, we don't want to reset the lineno or column.
+ */
+ if (b != YY_CURRENT_BUFFER){
+ b->yy_bs_lineno = 1;
+ b->yy_bs_column = 0;
+ }
+
+ b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+
+ errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ *
+ */
+ void yy_flush_buffer (YY_BUFFER_STATE b )
+{
+ if ( ! b )
+ return;
+
+ b->yy_n_chars = 0;
+
+ /* We always need two end-of-buffer characters. The first causes
+ * a transition to the end-of-buffer state. The second causes
+ * a jam in that state.
+ */
+ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+ b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+ b->yy_buf_pos = &b->yy_ch_buf[0];
+
+ b->yy_at_bol = 1;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ if ( b == YY_CURRENT_BUFFER )
+ yy_load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ * the current state. This function will allocate the stack
+ * if necessary.
+ * @param new_buffer The new state.
+ *
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+ if (new_buffer == NULL)
+ return;
+
+ yyensure_buffer_stack();
+
+ /* This block is copied from yy_switch_to_buffer. */
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *(yy_c_buf_p) = (yy_hold_char);
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+ }
+
+ /* Only push if top exists. Otherwise, replace top. */
+ if (YY_CURRENT_BUFFER)
+ (yy_buffer_stack_top)++;
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+ /* copied from yy_switch_to_buffer. */
+ yy_load_buffer_state( );
+ (yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ * The next element becomes the new top.
+ *
+ */
+void yypop_buffer_state (void)
+{
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ yy_delete_buffer(YY_CURRENT_BUFFER );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ if ((yy_buffer_stack_top) > 0)
+ --(yy_buffer_stack_top);
+
+ if (YY_CURRENT_BUFFER) {
+ yy_load_buffer_state( );
+ (yy_did_buffer_switch_on_eof) = 1;
+ }
+}
+
+/* Allocates the stack if it does not exist.
+ * Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (void)
+{
+ yy_size_t num_to_alloc;
+
+ if (!(yy_buffer_stack)) {
+
+ /* First allocation is just for 2 elements, since we don't know if this
+ * scanner will even need a stack. We use 2 instead of 1 to avoid an
+ * immediate realloc on the next call.
+ */
+ num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
+ (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ );
+ if ( ! (yy_buffer_stack) )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+ (yy_buffer_stack_max) = num_to_alloc;
+ (yy_buffer_stack_top) = 0;
+ return;
+ }
+
+ if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+ /* Increase the buffer to prepare for a possible push. */
+ yy_size_t grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = (yy_buffer_stack_max) + grow_size;
+ (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
+ ((yy_buffer_stack),
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ );
+ if ( ! (yy_buffer_stack) )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ /* zero only the new slots.*/
+ memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+ (yy_buffer_stack_max) = num_to_alloc;
+ }
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ *
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
+{
+ YY_BUFFER_STATE b;
+
+ if ( size < 2 ||
+ base[size-2] != YY_END_OF_BUFFER_CHAR ||
+ base[size-1] != YY_END_OF_BUFFER_CHAR )
+ /* They forgot to leave room for the EOB's. */
+ return NULL;
+
+ b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+ b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */
+ b->yy_buf_pos = b->yy_ch_buf = base;
+ b->yy_is_our_buffer = 0;
+ b->yy_input_file = NULL;
+ b->yy_n_chars = b->yy_buf_size;
+ b->yy_is_interactive = 0;
+ b->yy_at_bol = 1;
+ b->yy_fill_buffer = 0;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ yy_switch_to_buffer( b );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ *
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ * yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (const char * yystr )
+{
+
+ return yy_scan_bytes( yystr, (int) strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ *
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len )
+{
+ YY_BUFFER_STATE b;
+ char *buf;
+ yy_size_t n;
+ int i;
+
+ /* Get memory for full buffer, including space for trailing EOB's. */
+ n = (yy_size_t) (_yybytes_len + 2);
+ buf = (char *) yyalloc( n );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+ for ( i = 0; i < _yybytes_len; ++i )
+ buf[i] = yybytes[i];
+
+ buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = yy_scan_buffer( buf, n );
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+ /* It's okay to grow etc. this buffer, and we should throw it
+ * away when we're done.
+ */
+ b->yy_is_our_buffer = 1;
+
+ return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yynoreturn yy_fatal_error (const char* msg )
+{
+ fprintf( stderr, "%s\n", msg );
+ exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ yytext[yyleng] = (yy_hold_char); \
+ (yy_c_buf_p) = yytext + yyless_macro_arg; \
+ (yy_hold_char) = *(yy_c_buf_p); \
+ *(yy_c_buf_p) = '\0'; \
+ yyleng = yyless_macro_arg; \
+ } \
+ while ( 0 )
+
+/* Accessor methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ *
+ */
+int yyget_lineno (void)
+{
+
+ return yylineno;
+}
+
+/** Get the input stream.
+ *
+ */
+FILE *yyget_in (void)
+{
+ return yyin;
+}
+
+/** Get the output stream.
+ *
+ */
+FILE *yyget_out (void)
+{
+ return yyout;
+}
+
+/** Get the length of the current token.
+ *
+ */
+int yyget_leng (void)
+{
+ return yyleng;
+}
+
+/** Get the current token.
+ *
+ */
+
+char *yyget_text (void)
+{
+ return yytext;
+}
+
+/** Set the current line number.
+ * @param _line_number line number
+ *
+ */
+void yyset_lineno (int _line_number )
+{
+
+ yylineno = _line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param _in_str A readable stream.
+ *
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE * _in_str )
+{
+ yyin = _in_str ;
+}
+
+void yyset_out (FILE * _out_str )
+{
+ yyout = _out_str ;
+}
+
+int yyget_debug (void)
+{
+ return yy_flex_debug;
+}
+
+void yyset_debug (int _bdebug )
+{
+ yy_flex_debug = _bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+ /* Initialization is the same as for the non-reentrant scanner.
+ * This function is called from yylex_destroy(), so don't allocate here.
+ */
+
+ /* We do not touch yylineno unless the option is enabled. */
+ yylineno = 1;
+
+ (yy_buffer_stack) = NULL;
+ (yy_buffer_stack_top) = 0;
+ (yy_buffer_stack_max) = 0;
+ (yy_c_buf_p) = NULL;
+ (yy_init) = 0;
+ (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+ yyin = stdin;
+ yyout = stdout;
+#else
+ yyin = NULL;
+ yyout = NULL;
+#endif
+
+ /* For future reference: Set errno on error, since we are called by
+ * yylex_init()
+ */
+ return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy (void)
+{
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ yy_delete_buffer( YY_CURRENT_BUFFER );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ yypop_buffer_state();
+ }
+
+ /* Destroy the stack itself. */
+ yyfree((yy_buffer_stack) );
+ (yy_buffer_stack) = NULL;
+
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time
+ * yylex() is called, initialization will occur. */
+ yy_init_globals( );
+
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, const char * s2, int n )
+{
+
+ int i;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (const char * s )
+{
+ int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *yyalloc (yy_size_t size )
+{
+ return malloc(size);
+}
+
+void *yyrealloc (void * ptr, yy_size_t size )
+{
+
+ /* The cast to (char *) in the following accommodates both
+ * implementations that use char* generic pointers, and those
+ * that use void* generic pointers. It works with the latter
+ * because both ANSI C and C++ allow castless assignment from
+ * any pointer type to void*, and deal with argument conversions
+ * as though doing an assignment.
+ */
+ return realloc(ptr, size);
+}
+
+void yyfree (void * ptr )
+{
+ free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 55 "src/tools/asm.l"
+
+
+token_t asm_lexer_peek_token() {
+ if (peeked_token.type != token_none) {
+ return peeked_token;
+ }
+
+ token_t token = __asm_lexer_next_token();
+ peeked_token = token;
+ return token;
+}
+
+token_t asm_lexer_next_token() {
+ if (peeked_token.type != token_none) {
+ token_t ret = peeked_token;
+ peeked_token.type = token_none;
+ return ret;
+ }
+
+ return __asm_lexer_next_token();
+}
+
+void asm_lexer_input(char *data, int size) {
+ file_data = data;
+ bytes_remaining = size;
+}
+
+
projects / onyx-embedder.git / commitdiff