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Add more built-in boolean-specific instructions.

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This commit is contained in:
Danila Fedorin 2020-09-10 12:44:41 -07:00
parent 73441dc93b
commit 9fc0ff961d
7 changed files with 40 additions and 5 deletions
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1
code/compiler/13/ast.cpp
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@ -287,6 +287,7 @@ struct case_strategy_bool {
repr_type repr,
std::vector<instruction_ptr>& into) {
branch->expr->compile(env_ptr(new env_offset(1, env)), into);
into.push_back(instruction_ptr(new instruction_slide(1)));
}
size_t case_count(const type* type) {

6
code/compiler/13/binop.cpp
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@ -6,6 +6,9 @@ std::string op_name(binop op) {
case MINUS: return "-";
case TIMES: return "*";
case DIVIDE: return "/";
case MODULO: return "%";
case EQUALS: return "==";
case LESS_EQUALS: return "<=";
}
return "??";
}
@ -16,6 +19,9 @@ std::string op_action(binop op) {
case MINUS: return "minus";
case TIMES: return "times";
case DIVIDE: return "divide";
case MODULO: return "modulo";
case EQUALS: return "equals";
case LESS_EQUALS: return "less_equals";
}
return "??";
}

5
code/compiler/13/binop.hpp
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@ -5,7 +5,10 @@ enum binop {
PLUS,
MINUS,
TIMES,
DIVIDE
DIVIDE,
MODULO,
EQUALS,
LESS_EQUALS,
};
std::string op_name(binop op);

5
code/compiler/13/instruction.cpp
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@ -153,7 +153,7 @@ void instruction_if::gen_llvm(llvm_context& ctx, llvm::Function* f) const {
ctx.builder.CreateBr(resume_block);
ctx.builder.SetInsertPoint(zero_block);
for(auto& instruction : on_true) {
for(auto& instruction : on_false) {
instruction->gen_llvm(ctx, f);
}
ctx.builder.CreateBr(resume_block);
@ -184,6 +184,9 @@ void instruction_binop::gen_llvm(llvm_context& ctx, Function* f) const {
case MINUS: result = ctx.builder.CreateSub(left_int, right_int); break;
case TIMES: result = ctx.builder.CreateMul(left_int, right_int); break;
case DIVIDE: result = ctx.builder.CreateSDiv(left_int, right_int); break;
case MODULO: result = ctx.builder.CreateSRem(left_int, right_int); break;
case EQUALS: result = ctx.builder.CreateICmpEQ(left_int, right_int); break;
case LESS_EQUALS: result = ctx.builder.CreateICmpSLE(left_int, right_int); break;
}
ctx.create_push(f, ctx.create_num(f, result));
}

9
code/compiler/13/main.cpp
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@ -34,10 +34,16 @@ void prelude_types(definition_group& defs, type_env_ptr env) {
type_ptr binop_type = type_ptr(new type_arr(
int_type_app,
type_ptr(new type_arr(int_type_app, int_type_app))));
type_ptr cmp_type = type_ptr(new type_arr(
int_type_app,
type_ptr(new type_arr(int_type_app, bool_type_app))));
env->bind("+", binop_type, visibility::global);
env->bind("-", binop_type, visibility::global);
env->bind("*", binop_type, visibility::global);
env->bind("/", binop_type, visibility::global);
env->bind("%", binop_type, visibility::global);
env->bind("==", cmp_type, visibility::global);
env->bind("<=", cmp_type, visibility::global);
env->bind("True", bool_type_app, visibility::global);
env->bind("False", bool_type_app, visibility::global);
@ -146,6 +152,9 @@ void gen_llvm(global_scope& scope) {
gen_llvm_internal_op(ctx, MINUS);
gen_llvm_internal_op(ctx, TIMES);
gen_llvm_internal_op(ctx, DIVIDE);
gen_llvm_internal_op(ctx, MODULO);
gen_llvm_internal_op(ctx, EQUALS);
gen_llvm_internal_op(ctx, LESS_EQUALS);
gen_llvm_boolean_constructor(ctx, "True", true);
gen_llvm_boolean_constructor(ctx, "False", false);

16
code/compiler/13/parser.y
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@ -22,6 +22,9 @@ using yyscan_t = void*;
%token TIMES
%token MINUS
%token DIVIDE
%token MODULO
%token EQUALS
%token LESS_EQUALS
%token <int> INT
%token DEFN
%token DATA
@ -51,7 +54,7 @@ using yyscan_t = void*;
%type <std::vector<parsed_type_ptr>> typeList
%type <definition_group> definitions
%type <parsed_type_ptr> type nonArrowType typeListElement
%type <ast_ptr> aAdd aMul case let lambda app appBase
%type <ast_ptr> aEq aAdd aMul case let lambda app appBase
%type <definition_data_ptr> data
%type <definition_defn_ptr> defn
%type <branch_ptr> branch
@ -73,7 +76,7 @@ definitions
;
defn
: DEFN LID lowercaseParams EQUAL OCURLY aAdd CCURLY
: DEFN LID lowercaseParams EQUAL OCURLY aEq CCURLY
{ $$ = definition_defn_ptr(
new definition_defn(std::move($2), std::move($3), std::move($6), @$)); }
;
@ -83,6 +86,12 @@ lowercaseParams
| lowercaseParams LID { $$ = std::move($1); $$.push_back(std::move($2)); }
;
aEq
: aAdd EQUALS aAdd { $$ = ast_ptr(new ast_binop(EQUALS, std::move($1), std::move($3), @$)); }
| aAdd LESS_EQUALS aAdd { $$ = ast_ptr(new ast_binop(LESS_EQUALS, std::move($1), std::move($3), @$)); }
| aAdd { $$ = std::move($1); }
;
aAdd
: aAdd PLUS aMul { $$ = ast_ptr(new ast_binop(PLUS, std::move($1), std::move($3), @$)); }
| aAdd MINUS aMul { $$ = ast_ptr(new ast_binop(MINUS, std::move($1), std::move($3), @$)); }
@ -92,6 +101,7 @@ aAdd
aMul
: aMul TIMES app { $$ = ast_ptr(new ast_binop(TIMES, std::move($1), std::move($3), @$)); }
| aMul DIVIDE app { $$ = ast_ptr(new ast_binop(DIVIDE, std::move($1), std::move($3), @$)); }
| aMul MODULO app { $$ = ast_ptr(new ast_binop(MODULO, std::move($1), std::move($3), @$)); }
| app { $$ = std::move($1); }
;
@ -104,7 +114,7 @@ appBase
: INT { $$ = ast_ptr(new ast_int($1, @$)); }
| LID { $$ = ast_ptr(new ast_lid(std::move($1), @$)); }
| UID { $$ = ast_ptr(new ast_uid(std::move($1), @$)); }
| OPAREN aAdd CPAREN { $$ = std::move($2); }
| OPAREN aEq CPAREN { $$ = std::move($2); }
| case { $$ = std::move($1); }
| let { $$ = std::move($1); }
| lambda { $$ = std::move($1); }

3
code/compiler/13/scanner.l
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@ -26,6 +26,9 @@
\* { return yy::parser::make_TIMES(drv.location); }
- { return yy::parser::make_MINUS(drv.location); }
\/ { return yy::parser::make_DIVIDE(drv.location); }
% { return yy::parser::make_MODULO(drv.location); }
== { return yy::parser::make_EQUALS(drv.location); }
\<= { return yy::parser::make_LESS_EQUALS(drv.location); }
[0-9]+ { return yy::parser::make_INT(atoi(yytext), drv.location); }
defn { return yy::parser::make_DEFN(drv.location); }
data { return yy::parser::make_DATA(drv.location); }