cli/q
Code Issues 1 Pull Requests Activity

Separated compiler into its own package

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This commit is contained in:
Eduard Urbach
2024-07-18 10:08:38 +02:00
parent c19ad24428
commit 724794b4aa
14 changed files with 199 additions and 167 deletions
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67
src/build/core/Function.go
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@ -3,9 +3,7 @@ package core
import (
"git.akyoto.dev/cli/q/src/build/arch/x64"
"git.akyoto.dev/cli/q/src/build/asm"
"git.akyoto.dev/cli/q/src/build/ast"
"git.akyoto.dev/cli/q/src/build/cpu"
"git.akyoto.dev/cli/q/src/build/errors"
"git.akyoto.dev/cli/q/src/build/fs"
"git.akyoto.dev/cli/q/src/build/token"
)
@ -15,7 +13,7 @@ type Function struct {
Name string
File *fs.File
Body token.List
state
State
}
// NewFunction creates a new function.
@ -24,8 +22,8 @@ func NewFunction(name string, file *fs.File, body token.List) *Function {
Name: name,
File: file,
Body: body,
state: state{
assembler: asm.Assembler{
State: State{
Assembler: asm.Assembler{
Instructions: make([]asm.Instruction, 0, 32),
},
cpu: cpu.CPU{
@ -43,65 +41,6 @@ func NewFunction(name string, file *fs.File, body token.List) *Function {
}
}
// Compile turns a function into machine code.
func (f *Function) Compile() {
defer close(f.finished)
f.AddLabel(f.Name)
f.err = f.CompileTokens(f.Body)
f.Return()
}
// CompileTokens compiles a token list.
func (f *Function) CompileTokens(tokens token.List) error {
body, err := ast.Parse(tokens)
if err != nil {
err.(*errors.Error).File = f.File
return err
}
return f.CompileAST(body)
}
// CompileAST compiles an abstract syntax tree.
func (f *Function) CompileAST(tree ast.AST) error {
for _, node := range tree {
err := f.CompileASTNode(node)
if err != nil {
return err
}
}
return nil
}
// CompileASTNode compiles a node in the AST.
func (f *Function) CompileASTNode(node ast.Node) error {
switch node := node.(type) {
case *ast.Assign:
return f.CompileAssign(node)
case *ast.Call:
return f.CompileCall(node.Expression)
case *ast.Define:
return f.CompileDefinition(node)
case *ast.Return:
return f.CompileReturn(node)
case *ast.If:
return f.CompileIf(node)
case *ast.Loop:
return f.CompileLoop(node)
default:
panic("unknown AST type")
}
}
// String returns the function name.
func (f *Function) String() string {
return f.Name