cli/q
Code Issues 1 Pull Requests Activity

Implemented function calls

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This commit is contained in:
Eduard Urbach
2024-06-18 16:42:56 +02:00
parent 086998a0c3
commit 76db8feee3
11 changed files with 114 additions and 62 deletions
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42
src/build/Function.go
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@ -6,7 +6,6 @@ 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/config"
"git.akyoto.dev/cli/q/src/build/expression"
"git.akyoto.dev/cli/q/src/build/fs"
"git.akyoto.dev/cli/q/src/build/token"
@ -27,11 +26,7 @@ type Function struct {
// Compile turns a function into machine code.
func (f *Function) Compile() {
if config.Verbose {
ansi.Bold.Println(f.Name)
ansi.Dim.Println("╭────────────────────────────────────────────────────────────")
}
f.Assembler.Label(f.Name)
start := 0
groupLevel := 0
@ -76,17 +71,11 @@ func (f *Function) Compile() {
}
f.Assembler.Return()
if config.Verbose {
ansi.Dim.Println("╰────────────────────────────────────────────────────────────")
f.PrintAsm()
}
}
// PrintAsm shows the assembly instructions.
func (f *Function) PrintAsm() {
fmt.Println()
ansi.Bold.Println(f.Name + ".asm")
ansi.Bold.Println(f.Name)
ansi.Dim.Println("╭────────────────────────────────────────────────────────────")
for _, x := range f.Assembler.Instructions {
@ -105,11 +94,6 @@ func (f *Function) PrintAsm() {
// CompileInstruction compiles a single instruction.
func (f *Function) CompileInstruction(line token.List) error {
if config.Verbose {
ansi.Dim.Print("│ ")
fmt.Println(line)
}
if len(line) == 0 {
return nil
}
@ -117,6 +101,12 @@ func (f *Function) CompileInstruction(line token.List) error {
if line[0].Kind == token.Keyword {
switch line[0].Text() {
case "return":
if len(line) > 1 {
value := expression.Parse(line[1:])
defer value.Close()
// TODO: Set the return value
}
f.Assembler.Return()
default:
@ -132,11 +122,7 @@ func (f *Function) CompileInstruction(line token.List) error {
defer expr.Close()
if config.Verbose {
ansi.Dim.Printf("│ %s\n", expr)
}
if expr.Token.Kind == token.Number || expr.Token.Kind == token.Identifier {
if expr.Token.Kind == token.Number || expr.Token.Kind == token.Identifier || expr.Token.Kind == token.String {
return errors.New(&errors.InvalidInstruction{Instruction: expr.Token.Text()}, f.File, expr.Token.Position)
}
@ -159,7 +145,8 @@ func (f *Function) CompileInstruction(line token.List) error {
return nil
}
if expr.Token.Text() == "λ" && expr.Children[0].Token.Text() == "syscall" {
if expr.Token.Text() == "λ" {
funcName := expr.Children[0].Token.Text()
parameters := expr.Children[1:]
for i, parameter := range parameters {
@ -189,7 +176,12 @@ func (f *Function) CompileInstruction(line token.List) error {
}
}
f.Assembler.Syscall()
if funcName == "syscall" {
f.Assembler.Syscall()
} else {
f.Assembler.Call(funcName)
}
return nil
}