diff --git a/src/intermediate_code.c b/src/intermediate_code.c new file mode 100644 index 0000000..2d50a34 --- /dev/null +++ b/src/intermediate_code.c @@ -0,0 +1,64 @@ + + + +// TODO: this is here to bring your attention to the comment bellow. +// check if start is NULL if it is assign it to the start globle variable +// otherwise make it next of current and set cur to your instruction. + + + + void emit_binary_op(char* result, char* op, char* arg1, char* arg2){ + return; + } + void emit_unary_op(char* result, char* op, char* arg){ + return; + } + void emit_assignment(char* target, char* source){ + return; + } +void emit_as_file(FILE * out_file, Instruction * instr_arr){ + return; +} + + +void emit_label(char* label){ + return; +} +void emit_jump(char* label){ + return; +} +void emit_conditional_jump(char* condition, char* label){ + return; +} + + + +void emit_function_start(char* name){ + return; +} +void emit_parameter(char* param){ + return; +} +void emit_function_call(char* result, char* name){ + return; +} +void emit_return(char* value){ + return; +} +void emit_reserve(char* result, char* type_name, int size){ + return; +} +void emit_release(char* pointer){ + return; +} + + +void emit_field_access(char* result, char* record, char* field){ + return; +} +void emit_array_access(char* result, char* array, char* index, char* dimension){ + return; +} +void emit_bounds_check(char* index, char* size, char* error_label){ + return; +} diff --git a/src/intermediate_code.h b/src/intermediate_code.h new file mode 100644 index 0000000..1ccd389 --- /dev/null +++ b/src/intermediate_code.h @@ -0,0 +1,59 @@ +// Track 1: Core Infrastructure & Basic Expressions +// * Create intermediate_code.h/.c defining the instruction structure: +// - Struct with fields for: opcode, result, operand1, operand2, label +// - Enum for all operation types (ADD, SUB, MUL, DIV, etc.) +// * Implement temp variable generator function that produces unique names (t1, t2, etc.) +// * Create specific code emission functions: +// - emit_binary_op(char* result, char* op, char* arg1, char* arg2) +// - emit_unary_op(char* result, char* op, char* arg) +// - emit_assignment(char* target, char* source) +// * Add Bison actions for arithmetic expressions: +// - Addition: $$ = new_temp(); emit_binary_op($$, "ADD", $1, $3); +// - Subtraction, multiplication, division, modulo +#include "symbol_table.h" + +typedef enum {ADD, SUB, MUL, DIV} Op; // TODO: add all the instructions +typedef struct { + Op opcode; + TableNode * result; + TableNode * operand1; + TableNode * operand2; + int label; + int instruction; + Instruction * prev; + Instruction * next; +} Instruction; + +Instruction * start = NULL; +Instruction * current = NULL; + +void emit_binary_op(char* result, char* op, char* arg1, char* arg2); +void emit_unary_op(char* result, char* op, char* arg); +void emit_assignment(char* target, char* source); +// TODO: Find out what these are suposed to do. Guess is create an entry in +// the list of instructions. Guess is that its suposed to ret a struct ptr + + +// * Implement integer/boolean/character specific operation handling +// TODO: Find out what this means. + +// * Create output function to write instructions to file with line formatting +void emit_as_file(FILE * out_file, Instruction * instr_arr); + +// * Implement instruction array storage for backpatching + +void emit_label(char* label); +void emit_jump(char* label); +void emit_conditional_jump(char* condition, char* label); + +void emit_function_start(char* name); +void emit_parameter(char* param); +void emit_function_call(char* result, char* name); +void emit_return(char* value); +void emit_reserve(char* result, char* type_name, int size); +void emit_release(char* pointer); + + +void emit_field_access(char* result, char* record, char* field); +void emit_array_access(char* result, char* array, char* index, char* dimension); +void emit_bounds_check(char* index, char* size, char* error_label);