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-rw-r--r--src/bytecode/bytecode.c103
1 files changed, 95 insertions, 8 deletions
diff --git a/src/bytecode/bytecode.c b/src/bytecode/bytecode.c
index 7feb185..6774a54 100644
--- a/src/bytecode/bytecode.c
+++ b/src/bytecode/bytecode.c
@@ -2,7 +2,11 @@
#include "../../include/std/mem.h"
#include "../../include/ssa/ssa.h"
#include "../../include/parser.h"
+#include "../../include/compiler.h"
#include <assert.h>
+#include <stdio.h> /* TODO: Remove this */
+#include <stdlib.h>
+#include <string.h>
#define throw(result) do { throw_debug_msg; longjmp(self->env, (result)); } while(0)
#define throw_if_error(result) \
@@ -62,6 +66,8 @@ static void add_intermediates(BytecodeCompilerContext *self) {
}
}
+#define NUM_MAX_REGS 256
+
static void add_instructions(BytecodeCompilerContext *self) {
Ssa *ssa;
u8 *instruction;
@@ -70,10 +76,26 @@ static void add_instructions(BytecodeCompilerContext *self) {
SsaInsForm2 ssa_ins_form2;
SsaInsFuncStart ssa_ins_func_start;
SsaInsFuncCall ssa_ins_func_call;
+ FILE *file;
+ char *filename;
+ LhsExpr *reg_types[NUM_MAX_REGS]; /* TODO: Remove this. Encode this data in the register itself */
ssa = self->parser->ssa;
instruction = buffer_begin(&ssa->instructions);
instructions_end = buffer_end(&ssa->instructions);
+ /*#warning "dont forget to remove this" */
+ filename = malloc(self->parser->tokenizer.code_name.size + 3);
+ filename[0] = '\0';
+ strcat(filename, self->parser->tokenizer.code_name.data);
+ strcat(filename, ".z");
+ file = fopen(filename, "wb");
+ free(filename);
+ #ifdef DEBUG
+ am_memset(reg_types, 0, sizeof(reg_types));
+ #endif
+
+ fputs("typedef i64 signed long long;\n", file);
+ fputs("typedef f64 double;\n", file);
while(instruction != instructions_end) {
switch(*instruction++) {
@@ -81,43 +103,108 @@ static void add_instructions(BytecodeCompilerContext *self) {
SsaNumber number;
instruction += ssa_extract_form1(instruction, &ssa_ins_form1);
number = ssa_get_intermediate(ssa, ssa_ins_form1.rhs);
- (void)number;
+ assert(ssa_ins_form1.lhs < NUM_MAX_REGS);
+ if(number.type == SSA_NUMBER_TYPE_INTEGER) {
+ fprintf(file, "i64 r%d = %zu;\n", ssa_ins_form1.lhs, number.value.integer);
+ reg_types[ssa_ins_form1.lhs] = self->parser->compiler->default_types.i64;
+ } else if(number.type == SSA_NUMBER_TYPE_FLOAT) {
+ fprintf(file, "f64 r%d = %f;\n", ssa_ins_form1.lhs, number.value.floating);
+ reg_types[ssa_ins_form1.lhs] = self->parser->compiler->default_types.f64;
+ } else {
+ assert(bool_false && "TODO: Implement");
+ }
break;
}
- case SSA_ASSIGN_STRING:
+ case SSA_ASSIGN_STRING: {
+ BufferView str;
instruction += ssa_extract_form1(instruction, &ssa_ins_form1);
+ str = ssa_get_string(ssa, ssa_ins_form1.rhs);
+ fprintf(file, "const char* r%d = \"%.*s\";\n", ssa_ins_form1.lhs, (int)str.size, str.data);
+ assert(ssa_ins_form1.lhs < NUM_MAX_REGS);
+ reg_types[ssa_ins_form1.lhs] = self->parser->compiler->default_types.str;
break;
- case SSA_ASSIGN_REG:
+ }
+ case SSA_ASSIGN_REG: {
+ LhsExpr *rhs_type;
+ const char *rhs_type_name;
instruction += ssa_extract_form1(instruction, &ssa_ins_form1);
+ assert(ssa_ins_form1.rhs < NUM_MAX_REGS);
+ rhs_type = reg_types[ssa_ins_form1.rhs];
+ if(rhs_type == self->parser->compiler->default_types.i64) {
+ rhs_type_name = "i64";
+ } else if(rhs_type == self->parser->compiler->default_types.f64) {
+ rhs_type_name = "f64";
+ } else if(rhs_type == self->parser->compiler->default_types.str) {
+ rhs_type_name = "const char*";
+ } else {
+ amal_log_error("Invalid rhs type %p for reg %d", rhs_type, ssa_ins_form1.rhs);
+ assert(bool_false && "TODO: Implement");
+ }
+ fprintf(file, "%s r%d = r%d;\n", rhs_type_name, ssa_ins_form1.lhs, ssa_ins_form1.rhs);
break;
- case SSA_ADD:
+ }
+ case SSA_ADD: {
instruction += ssa_extract_form2(instruction, &ssa_ins_form2);
+ fprintf(file, "r%d = r%d + r%d;\n", ssa_ins_form2.result, ssa_ins_form2.lhs, ssa_ins_form2.rhs);
+ assert(ssa_ins_form2.result < NUM_MAX_REGS);
+ assert(ssa_ins_form2.rhs < NUM_MAX_REGS);
+ reg_types[ssa_ins_form2.result] = reg_types[ssa_ins_form2.rhs];
break;
- case SSA_SUB:
+ }
+ case SSA_SUB: {
instruction += ssa_extract_form2(instruction, &ssa_ins_form2);
+ fprintf(file, "r%d = r%d - r%d;\n", ssa_ins_form2.result, ssa_ins_form2.lhs, ssa_ins_form2.rhs);
+ assert(ssa_ins_form2.result < NUM_MAX_REGS);
+ assert(ssa_ins_form2.rhs < NUM_MAX_REGS);
+ reg_types[ssa_ins_form2.result] = reg_types[ssa_ins_form2.rhs];
break;
- case SSA_MUL:
+ }
+ case SSA_MUL: {
instruction += ssa_extract_form2(instruction, &ssa_ins_form2);
+ fprintf(file, "r%d = r%d * r%d;\n", ssa_ins_form2.result, ssa_ins_form2.lhs, ssa_ins_form2.rhs);
+ assert(ssa_ins_form2.result < NUM_MAX_REGS);
+ assert(ssa_ins_form2.rhs < NUM_MAX_REGS);
+ reg_types[ssa_ins_form2.result] = reg_types[ssa_ins_form2.rhs];
break;
- case SSA_DIV:
+ }
+ case SSA_DIV: {
instruction += ssa_extract_form2(instruction, &ssa_ins_form2);
+ fprintf(file, "r%d = r%d / r%d;\n", ssa_ins_form2.result, ssa_ins_form2.lhs, ssa_ins_form2.rhs);
+ assert(ssa_ins_form2.result < NUM_MAX_REGS);
+ assert(ssa_ins_form2.rhs < NUM_MAX_REGS);
+ reg_types[ssa_ins_form2.result] = reg_types[ssa_ins_form2.rhs];
break;
- case SSA_FUNC_START:
+ }
+ case SSA_FUNC_START: {
+ int i;
instruction += ssa_extract_func_start(instruction, &ssa_ins_func_start);
+ fprintf(file, "void f%zu(", ssa_ins_func_start.func_index);
+ fputs(") {\n", file);
+ for(i = 0; i < ssa_ins_func_start.num_args; ++i) {
+ if(i > 0)
+ fputs(", ", file);
+ fprintf(file, "p%d", i);
+ }
break;
+ }
case SSA_FUNC_END:
+ fputs("}\n", file);
break;
case SSA_PUSH: {
SsaRegister reg;
am_memcpy(&reg, instruction, sizeof(SsaRegister));
instruction += sizeof(SsaRegister);
+ fprintf(file, "PUSH r%d ***\n", reg);
break;
}
case SSA_CALL:
instruction += ssa_extract_func_call(instruction, &ssa_ins_func_call);
+ fprintf(file, "r%d = CALL %p ***\n", ssa_ins_func_call.result, ssa_ins_func_call.func_decl);
break;
}
}
+
+ fclose(file);
}
void generate_bytecode_from_ssa(BytecodeCompilerContext *self) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 08:34:19 +0000