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fix programs without fn main

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This commit is contained in:
Alexander Medvednikov 2019-12-17 05:04:50 +03:00
parent 84f535d242
commit 37add98043
1 changed files with 21 additions and 14 deletions
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35
vlib/compiler/parser.v
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@ -55,6 +55,7 @@ mut:
calling_c bool
cur_fn Fn
local_vars []Var // local function variables
global_vars []Var // only for "script" programs without "fn main"
var_idx int
returns bool
vroot string
@ -546,17 +547,19 @@ fn (p mut Parser) parse(pass Pass) {
p.clear_vars()
}
}
mut start := p.cgen.lines.len
start := p.cgen.lines.len
p.statement(true)
if start > 0 && p.cgen.lines[start - 1] != '' && p.cgen.fn_main != '' {
start--
}
//if start > 0 && p.cgen.lines[start - 1] != '' &&
//p.cgen.fn_main != '' {
//start--
//}
p.genln('')
end := p.cgen.lines.len
lines := p.cgen.lines[start..end]
//println('adding "' + lines.join('\n') + '"\n')
//mut line := p.cgen.fn_main + lines.join('\n')
//line = line.trim_space()
p.cgen.fn_main = p.cgen.fn_main + lines.join('\n')
p.cgen.fn_main += lines.join('\n')
p.cgen.resetln('')
for i := start; i < end; i++ {
p.cgen.lines[i] = ''
@ -565,7 +568,7 @@ fn (p mut Parser) parse(pass Pass) {
else {
p.error('unexpected token `${p.strtok()}`')
}
}
}
}
}
}
@ -1618,14 +1621,18 @@ fn (p mut Parser) var_decl() {
// declaration
p.gen('$var_type $var_name = ${p.var_decl_name}.var_$i')
}
p.register_var(Var {
name: var_name
typ: var_type
is_mut: var_is_mut
is_alloc: p.is_alloc || var_type.starts_with('array_')
line_nr: p.tokens[ var_token_idx ].line_nr
token_idx: var_token_idx
})
// Function bodies are always parsed once in the second pass, but
// script programs are parsed in the first pass, need to handle that.
if p.pass == .main {
p.register_var(Var {
name: var_name
typ: var_type
is_mut: var_is_mut
is_alloc: p.is_alloc || var_type.starts_with('array_')
line_nr: p.tokens[ var_token_idx ].line_nr
token_idx: var_token_idx
})
}
//if p.fileis('str.v') {
//if p.is_alloc { println('REG VAR IS ALLOC $name') }
//}